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反向冷挤压凹模强度研究 Title:AStudyontheReverseColdExtrusionDieStrength Abstract: Thereversecoldextrusionprocesshasgainedsignificanceinvariousindustriesduetoitsadvantagessuchasenhancedmechanicalproperties,improvedsurfacefinish,andreducedmaterialwaste.Thisstudyaimstoinvestigatethediestrengthinreversecoldextrusiontoestablishabetterunderstandingoftheprocess.Theresearchfocusesonthefactorsaffectingthediestrength,theoptimizationofthediedesign,andtheidentificationofsuitablematerialsforimprovedperformance.Thefindingswillcontributetotheadvancementofreversecoldextrusiontechniquesandenhancetheirapplicationinindustrialmanufacturingprocesses. 1.Introduction: 1.1Background 1.2Objective 1.3Scopeofthestudy 1.4Significanceofthestudy 2.LiteratureReview: 2.1ReverseColdExtrusionProcess 2.2DieStrengthinColdExtrusion 2.3FactorsAffectingDieStrength 2.3.1MaterialSelection 2.3.2DieDesign 2.3.3Lubrication 2.3.4ProcessParameters 3.Methodology: 3.1ExperimentSetup 3.2MaterialSelection 3.3DieDesign 3.4ExperimentalProcessParameters 3.5DataCollection 4.ResultsandDiscussion: 4.1DieStrengthAnalysisunderDifferentMaterialSelections 4.2DieStrengthOptimizationwithDifferentDieDesigns 4.3InfluenceofLubricationonDieStrength 4.4DieStrengthVariationwithProcessParameters 5.Conclusion: 5.1SummaryofFindings 5.2ImplicationsoftheStudy 5.3RecommendationsforFutureResearch 6.References Introduction: Thereversecoldextrusionprocess,alsoknownasbackextrusion,isametalformingtechniquethatallowsthecreationofintricateandhigh-strengthcomponentsbyforcingamaterialtoflowthroughadie.Thisprocessfindsextensiveapplicationsintheautomotive,aerospace,andmanufacturingindustries.Understandingthediestrengthduringthereversecoldextrusionprocessiscrucialtoensureoptimaldesignandperformance. LiteratureReview: Previousstudieshaveinvestigatedvariousaspectsofcoldextrusion,includingdiestrength.Materialselectionplaysavitalroleindeterminingdiestrength,asdifferentpropertiesandcharacteristicsinfluencetheformingbehavior.Diedesignfactorssuchascavitygeometry,backp